html,
body {
  width: 100%;
  height: 100%;
  background-color: #222;
}

.app {
  width: 100%;
  height: 100%;
}

.stage {
  position: relative;
  width: 100%;
  height: 680px;
}

.img-sec {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #ddd;
}

.img-figure {
  position: absolute;
  width: 320px;
  height: 360px;
  margin: 0;
  padding: 40px;
  box-sizing: border-box;
  background-color:#fff;
}
figcaption{
    text-align: center;
}
figcaption>.img-title{
    margin:20px 0 0 0;
    color:#a7a0a2;
    font-size:16px;
}

.controller-nav {
  position: absolute;
  left: 0;
  bottom: 30px;
  z-index: 101;
  width: 100%;
  text-align: center;
}
